#3187DB

#3187DB

Color Values

HEX

#3187DB

RGB

49, 135, 219

HSL

209.6, 70.2%, 52.5%

HSV

209.6, 77.6%, 85.9%

CMYK

77.6%, 38.4%, 0.0%, 14.1%

OKLCH

0.6136 0.151 251.4

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#3187DB

#DB8531

Analogous

#31DBDA

#3132DB

#3187DB

Triadic

#3187DB

#DB3187

#87DB31

Split Complementary

#3187DB

#DB3132

#DBDA31

Tetradic

#3187DB

#DA31DB

#DB8531

#32DB31

Color Blindness Simulation

Original

#3187DB

Protanopia

#5657C7

Deuteranopia

#514BC2

Tritanopia

#35B7B3

Achromatopsia

#7B7B7B

CSS Usage

background-color: #3187DB;
color: #3187DB;
border-color: #3187DB;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C2DCF4
300
#97C2ED
400
#5EA2E3
500
#2681D9
600
#1E67AE
700
#18528B
800
#13406D
900
#12314F
950
#0B1F32

Contrast Checker

Text on white

3.74:1

AA Fail AAA Fail

Text on black

5.62:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026